OpenAI compatible API · Attested · Public status
Google: Gemma 4 31B vs OpenAI: GPT-4 Turbo
Compare Google: Gemma 4 31B and OpenAI: GPT-4 Turbo by providers, context, price, and TrustedRouter route support.
Onebase URL to migrate
100sof models and routes
Noneprompt logs by default
Compare routesProviders, price, context, and policy posture in one view.
Use auto when uptime mattersKeep a primary model and let fallback handle provider failures.
Same API shapeUse the OpenAI client and set the model you want.
Practical read
Google: Gemma 4 31B has the lower cheapest prompt+completion route on TrustedRouter. Google: Gemma 4 31B has more provider fallback routes, while Google: Gemma 4 31B has the larger context window. Current TrustedRouter probes show Google: Gemma 4 31B with the lower p50 TTFT.
$0.5355/1MGoogle: Gemma 4 31B cheapest route
$42/1MOpenAI: GPT-4 Turbo cheapest route
896 msGoogle: Gemma 4 31B measured p50 TTFT
7106 msOpenAI: GPT-4 Turbo measured p50 TTFT
Google: Gemma 4 31BOpenAI: GPT-4 Turbo
Model id
google/gemma-4-31b-itopenai/gpt-4-turbo
PublisherGoogle AI StudioOpenAI
Context262,144 tokens128,000 tokens
Provider routes234
Cheapest route$0.5355/1M$42/1M
Privacy posturehas provider E2EE routeprovider posture varies
Modes
chat
chat
Google: Gemma 4 31B routes
Production choice
Pick a default model. Keep fallback enabled.
TrustedRouter is useful when you know the model you want, but still need provider rollover, budget limits, usage records, and a prompt path you can verify.
OpenAI clientPython
client = OpenAI(
base_url="https://api.trustedrouter.com/v1",
api_key="sk-tr-v1-..."
)
response = client.chat.completions.create(
model="google/gemma-4-31b-it",
messages=messages,
)